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Q.
Which of the following organisms invaded the land first?
NTA AbhyasNTA Abhyas 2020Evolution
Solution:
The first organisms that invaded land were plants. About 350 mya, the origin of jawless fishes. Fishes that have stout and strong fins could move on land and again go back to the water. Later on, amphibians evolved into reptiles that lay thick-shelled eggs that were resistant to dryness. In the next 200 million years, reptiles developed different shapes and sizes and dominated on earth.